h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 943
h8s-2635
Manufacturer Part Number
h8s-2635
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2635.pdf
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Bits 7 and 6—Reserved: These bits always read 0.
Bits 5 and 4—Reserved: Only 0 may be written to these bits.
Bit 3—RAM Select (RAMS): Specifies selection or non-selection of flash memory emulation in
RAM. When RAMS = 1, all flash memory block are program/erase-protected.
Bits 2 to 0—Flash Memory Area Selection: These bits are used together with bit 3 to select the
flash memory area to be overlapped with RAM. (See table 21C-8.)
Table 21C-8 Flash Memory Area Divisions
Bit 3
RAMS
0
1
Addresses
H'FFD800 to H'FFE7FF
H'000000 to H'000FFF
H'001000 to H'001FFF
H'002000 to H'002FFF
H'003000 to H'003FFF
H'004000 to H'004FFF
H'005000 to H'005FFF
H'006000 to H'006FFF
H'007000 to H'007FFF
Description
Emulation not selected
Program/erase-protection of all flash memory blocks is disabled
Emulation selected
Program/erase-protection of all flash memory blocks is enabled
Block Name
RAM area 4 kbytes
EB0 (4 kbytes)
EB1 (4 kbytes)
EB2 (4 kbytes)
EB3 (4 kbytes)
EB4 (4 kbytes)
EB5 (4 kbytes)
EB6 (4 kbytes)
EB7 (4 kbytes)
RAMS
0
1
1
1
1
1
1
1
1
Rev. 6.00 Feb 22, 2005 page 883 of 1484
Section 21C ROM (H8S/2635 Group)
RAM1
*
0
0
0
0
1
1
1
1
RAM1
*
0
0
1
1
0
0
1
1
REJ09B0103-0600
*: Don't care
RAM0
*
0
1
0
1
0
1
0
1
(Initial value)
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